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JPL Small-Body Database Browser
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392147 (2009 HC39)
Classification: Main-belt Asteroid          SPK-ID: 2392147
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .236613202513627 6.8516e-08  
a 2.969505863979903 3.1899e-08 au
q 2.266881571620623 2.1498e-07 au
i 7.910444379984565 5.9762e-06 deg
node 119.5142727166071 6.7885e-05 deg
peri 121.8139729042758 7.0782e-05 deg
M 47.4896547957066 2.0894e-05 deg
tp 2458753.940795801546
(2019-Sep-27.44079580)
0.00010651 TDB
period 1869.066302824926
5.12
3.0117e-05
8.246e-08
d
yr
n .1926095395630922 3.1036e-09 deg/d
Q 3.672130156339183 3.9447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      5966 days (16.33 yr)  
   first obs. used      2003-01-30  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60875  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:08:35  

Additional Information
 Earth MOID = 1.26606 au 
 Jupiter MOID = 1.42672 au 
 T_jup = 3.206 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO476848  

392147 (2009 HC39)          Discovered 2009-Apr-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2009 HC39 = 2008 AA89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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